1688940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{853}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 5595408

約数和(自身を除く): 3906468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 853, 990, 1706, 1980, 2559, 3412, 4265, 5118, 7677, 8530, 9383, 10236, 12795, 15354, 17060, 18766, 25590, 28149, 30708, 37532, 38385, 46915, 51180, 56298, 76770, 84447, 93830, 112596, 140745, 153540, 168894, 187660, 281490, 337788, 422235, 562980, 844470, 1688940]

約数ペア:

[(1, 1688940), (2, 844470), (3, 562980), (4, 422235), (5, 337788), (6, 281490), (9, 187660), (10, 168894), (11, 153540), (12, 140745), (15, 112596), (18, 93830), (20, 84447), (22, 76770), (30, 56298), (33, 51180), (36, 46915), (44, 38385), (45, 37532), (55, 30708), (60, 28149), (66, 25590), (90, 18766), (99, 17060), (110, 15354), (132, 12795), (165, 10236), (180, 9383), (198, 8530), (220, 7677), (330, 5118), (396, 4265), (495, 3412), (660, 2559), (853, 1980), (990, 1706)]